As a documentary, there is no plot, but a vivid presentation of episodic clips, with narration, to create an illustrated explanation of (in this case) how Earth history affects human history
* This episode explores:
* Crystal caves
* Copper deposits in the Timna desert exploited from c. 5000BCE and this is essential to all technological advances since then
* Qanats at Bam for irrigation, c.4000bce. More about qanats in Wikipedia
* The lost city of Petra
* Introduction to geologic faults
* Palace of Knossos--ancient civilization based upon the tin and copper trade
* Eruption of Santorini, which destroyed Knossos
* Visit to Hawaii volcanos; the mid-Pacific Hot Spot
* Los Angeles: air view of San Andreas fault. Los Angeles oilfields etc. * Trade-offs of the benefits and risks of being on a geologic fault. Plate tectonics.
* Istanbul on a geologic fault; visit to Bosphorus tunnel and Hagia Sophia monument